Non-diamond / Likely Agate or Chalcedony fragment
Non-diamond / Likely Agate or Chalcedony fragment · Irregular/Rough fragment
Uncut/Raw fragment Cut
Carat
Estimated 3-5 carats based on size relative to carpet fibers
Color
Translucent brownish-tan with white banding
Clarity
Opaque to Translucent (not applicable to diamond scales)
Shape
Irregular/Rough fragment
Overall Assessment
The specimen in the image is not a diamond. It lacks the refractive index, crystal structure, and luster characteristic of a gemstone. It appears to be a common stone fragment or piece of banded agate found in decorative gravel or natural soil.
Cut Quality
Uncut/Raw fragment
Brilliance
Very low/Waxy luster
Fire
None
Scintillation
None
Proportions
Asymmetrical jagged fragment
Symmetry
None
Polish
None/Natural matte
Fluorescence
Unknown, likely none
Inclusions
Internal banding and structural layering consistent with microcrystalline quartz
Blemishes
Fractures, rough edges, and surface pitting
Origin
Likely terrestrial riverbed or common geological source
Treatment Detection
None apparent; appears to be a natural stone fragment
Estimated Value
Negligible/Nominal (less than $1 USD)
Certification Estimate
Not eligible for diamond grading (GIA/IGI)
Investment Potential
None
Similar Diamonds
None; this is not a diamond
Setting Suggestions
Not suitable for traditional diamond jewelry settings
Care & Maintenance
General cleaning with water; no special gemological care required
Interesting Facts
The banding suggests this is a form of cryptocrystalline quartz, such as agate, which is common worldwide.